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Fatigue Crack Growth Properties of Rail Steels

Fatigue crack propagation properties of rail steels were determined experimentally. The investigation covered 66 rail steels. The effects of the following parameters were studies: stress ratio (ratio of minimum to maximum stress in a cycle), frequency, temperature and orientation. The results were...

Engineering Analysis of Stresses in Railroad Rails

One portion of the Federal Railroad Administration’s (FRA) Track Performance Improvement Program is the development of engineering and analytic techniques required for the design and maintenance of railroad track of increased integrity and safety. Under the program management of Transportation...

Eastern European Track Structure Technology and Research

Cooperative agreements between the United States and the Eastern European countries of Poland, Hungary and Romania provide for the exchange of technical research and operational railroad information. To obtain on site, as well as published information on topics of specific interest to the...

Dead Line Testing of Pantographs on the RTT Catenary System

The tests described in this report were carried out by the Transportation Test Center to verify the newly constructed overhead catenary system on the Railroad Test Track (RTT) and the pantographs to be used on it. The data produced included height and stagger measurements in support of the...